FR 1980 then FR 1556 at Dublin
Riga → Dublin → Manchester
Timetable, Dublin time
00:30FR 1980 from Riga at the gate
20:55FR 1556 to Manchester leaves the gate
20 h 25 apart on the timetable
FR 1556 leaves 20 h 25 after FR 1980 arrives on the timetable: more than half a day, so not a connection we count.